CHEMISTRY 1.8:  Ionic & Metal Bonds, Crystals (October 21, 2020)

5th Grade Quiz Time Lab:

• Colors on the Mooove
  

PREVIOUS QUESTION:

• Why does shell 1 have 2 electrons, shell 2 have 8 electrons and so forth? Each principal energy level can contain up to 2n2 (squared) electrons, where n is the number of the level. https://archives.library.illinois.edu/erec/University%20Archives/1505050/Rogers/Text5/Tx53/tx53.html

FOR HOME:

• Review Orbitals with Hank Green (start at 3:30ish):  Crash Course Chemistry #25
• If you're wanting the math behind orbits and orbitals and are feeling fairly confident:  Orbitals, Atomic Energy Levels & Sublevels Explained
  
• For Fun, bend the mind:  Schrödinger's cat: A thought experiment in quantum mechanics - Chad Orzel

THIS WEEK:

• Video:  Doing Solids:  Crash Course Chemistry #33 (10)
• Video:  How do crystals work? - Graham Baird | Ted Ed (5)
• Video:  What Are Metallic Bonds? | Properties of Matter | Chemistry | FuseSchool (5)
• Note:  Next week we will cover Ionic and Covalent Bonds
  

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HOMEWORK:
9 & 10th Graders: 

• No field journals this week.
• Next week's assigned research (see below) due by Tuesday at 2:00; Send by email. 
• No Quiz.
  
• All element flashcards.

7th Graders: 

• 3  Field Journals (with drawing or image) about this week's learning. These can be questions too, or your own research.
• No quiz.
  
• All element flashcards.

5th Graders: 

• 2  Field Journals (with drawing or image) about this week's learning. These can be questions too, or your own research.
  
• All element flashcards..
  

ASSIGNED RESEARCH QUESTIONS 9th/10th Graders:   EVERYONE DO ALL

1. What is a chemical bond?
   
2. What is an ionic bond? 
   
3. What is a covalent bond?   
4. What is a single, double, and triple bond?
5. What is the "octet" rule?
6. What is a polar covalent vs nonpolar bond?  
7. The different forces between covalent molecules are listed below.  Which is strongest and which is weakest? Briefly explain.

            What is a Hydrogen bond?
            What is a dipole-dipole force?
            What is a Van der Walls forces or London forces?